Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US07/094,617external-prioritypatent/US4808762A/en
Application filed by Fmc CorpfiledCriticalFmc Corp
Publication of PL277612A1publicationCriticalpatent/PL277612A1/en
Publication of PL153033B1publicationCriticalpatent/PL153033B1/en